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We describe four cases of acute schistosomiasis presenting to the Infectious Diseases Unit of John Radcliffe Hospital (Oxford, England) during a 2-month period in autumn 1997. All four patients had swum in Lake Malawi, a freshwater lake in sub-Saharan Africa that is associated with Schistosoma haematobium and, less commonly, Schistosoma mansoni infections. All four patients had a severe acute illness and had prominent pulmonary involvement, both clinically and radiologically. This represents a change in the recognized pattern of presentation and could possibly reflect a new parasite variant in the lake.

Original publication




Journal article


Clin Infect Dis

Publication Date





836 - 839


Acute Disease, Adult, Female, Fresh Water, Humans, Lung Diseases, Parasitic, Male, Praziquantel, Schistosomiasis haematobia, Schistosomiasis mansoni, Travel